﻿
// ChartCtrl_demoDlg.cpp: 实现文件
//

#include "pch.h"
#include "framework.h"
#include "ChartCtrl_demo.h"
#include "ChartCtrl_demoDlg.h"
#include "afxdialogex.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

class CAboutDlg : public CDialogEx
{
public:
	CAboutDlg();

// 对话框数据
#ifdef AFX_DESIGN_TIME
	enum { IDD = IDD_ABOUTBOX };
#endif

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 实现
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()


// CChartCtrldemoDlg 对话框



CChartCtrldemoDlg::CChartCtrldemoDlg(CWnd* pParent /*=nullptr*/)
	: CDialog(IDD_CHARTCTRL_DEMO_DIALOG, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CChartCtrldemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_CUSTOM_SHOW, m_ChartCtrl);
}

BEGIN_MESSAGE_MAP(CChartCtrldemoDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER() // 添加定时器消息
	ON_BN_CLICKED(IDC_BUTTON_START, &CChartCtrldemoDlg::OnBnClickedButtonStart)
	ON_BN_CLICKED(IDC_BUTTON_STOP, &CChartCtrldemoDlg::OnBnClickedButtonStop)
END_MESSAGE_MAP()


// CChartCtrldemoDlg 消息处理程序

BOOL CChartCtrldemoDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 将“关于...”菜单项添加到系统菜单中。

	// IDM_ABOUTBOX 必须在系统命令范围内。
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != nullptr)
	{
		BOOL bNameValid;
		CString strAboutMenu;
		bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
		ASSERT(bNameValid);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 设置此对话框的图标。  当应用程序主窗口不是对话框时，框架将自动
	//  执行此操作
	SetIcon(m_hIcon, TRUE);			// 设置大图标
	SetIcon(m_hIcon, FALSE);		// 设置小图标

	// TODO: 在此添加额外的初始化代码

	//创建坐标xy标识
	CChartAxis* pAxis = NULL;
	pAxis = m_ChartCtrl.CreateStandardAxis(CChartCtrl::BottomAxis);
	pAxis->SetAutomatic(true);
	pAxis = m_ChartCtrl.CreateStandardAxis(CChartCtrl::LeftAxis);
	pAxis->SetAutomatic(true);
	m_pLineSerie = m_ChartCtrl.CreateLineSerie();

	return TRUE;  // 除非将焦点设置到控件，否则返回 TRUE
}

void CChartCtrldemoDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。  对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。

void CChartCtrldemoDlg::OnPaint()
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用于绘制的设备上下文

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作区矩形中居中
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

//当用户拖动最小化窗口时系统调用此函数取得光标
//显示。
HCURSOR CChartCtrldemoDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

#define PIONT_LENGTH 2096

void CChartCtrldemoDlg::OnTimer(UINT_PTR nIDEvent)
{
	++m_count;
	m_pLineSerie->ClearSerie();
	LeftMoveArray(m_HightSpeedChartArray, PIONT_LENGTH, randf(0, 10));
	LeftMoveArray(m_X, PIONT_LENGTH, m_count);
	m_pLineSerie->AddPoints(m_X, m_HightSpeedChartArray, PIONT_LENGTH);
	CDialog::OnTimer(nIDEvent);
}

void CChartCtrldemoDlg::drawMoving()
{
	m_pLineSerie->ClearSerie();
	RandArray(m_HightSpeedChartArray, PIONT_LENGTH);
	LeftMoveArray(m_X, PIONT_LENGTH, m_count);
	m_pLineSerie->AddPoints(m_X, m_HightSpeedChartArray, PIONT_LENGTH);
}

double CChartCtrldemoDlg::randf(double min, double max)
{
	int minInteger = (int)(min * 10000);
	int maxInteger = (int)(max * 10000);
	int randInteger = rand() * rand();
	int diffInteger = maxInteger - minInteger;
	int resultInteger = randInteger % diffInteger + minInteger;
	return resultInteger / 10000.0;
}

/// 
/// \brief 左移数组
/// \param ptr 数组指针
/// \param data 新数值
///
void CChartCtrldemoDlg::LeftMoveArray(double* ptr, size_t length, double data)
{
	for (size_t i = 1; i < length; ++i)
	{
		ptr[i - 1] = ptr[i];
	}
	ptr[length - 1] = data;
}

void CChartCtrldemoDlg::RandArray(double* ptr, size_t length)
{
	for (size_t i = 0; i < length; ++i)
	{
		ptr[i] = randf(-1, 1);
	}
}

void CChartCtrldemoDlg::OnBnClickedButtonStart()
{
	// TODO: 在此添加控件通知处理程序代码
	KillTimer(0);
	ZeroMemory(&m_HightSpeedChartArray, sizeof(double) * PIONT_LENGTH);
	for (size_t i = 0; i < PIONT_LENGTH; ++i)
	{
		m_X[i] = i;
	}
	m_count = PIONT_LENGTH;
	m_pLineSerie->ClearSerie();
	SetTimer(0, 0, NULL);
}


void CChartCtrldemoDlg::OnBnClickedButtonStop()
{
	// TODO: 在此添加控件通知处理程序代码
	KillTimer(0);
}
